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Finding the Fourth Proportional to 61,044.55, 91,547.99 and 21,592.59

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Solution

The fourth proportional to 61,044.55, 91,547.99 and 21,592.59 is: 32,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,044.55 : 91,547.99 = 21,592.59 : x
  2. Step 2: Convert to fraction form
    61,044.55/91,547.99 = 21,592.59/x
  3. Step 3: Cross multiply
    61,044.55x = 91,547.99 × 21,592.59
  4. Step 4: Simplify right side
    61,044.55x = 1,976,758,186.40
  5. Step 5: Solve for x
    x = 1,976,758,186.40/61,044.55
  6. Step 6: Final answer
    x = 32,382.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.